Product quantity changing once i've added to the basket

For some reason the Product quantity changing once i’ve added to the basket - I have attached images for reference

Hi, thanks for the reply the images are attached below, can you see them?

Hi, so how can I resolve the issue please?

Thanks for the assistance?

Hi, the first image shows that the quantity of items added to the basket should be 9, however; when you reach the checkout stage, reverts the number back to 1?